Deltarune: Best Fan Theories, Explained

Toby Fox’s twin games Deltarune and Undertale are no strangers to fan theories. Whilst gamers eagerly wait for Toby to drop Chapters 3 and 4, the community has had plenty of time to theorize. In terms of plausibility, these theories range from extremely likely to the infamous Sans is Ness theory. A theory so wrong that Toby Fox himself de-confirmed it on X (formerly Twitter).

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However, at the end of the day, theorizing is all in good fun, and not about being right. This list will go through some of the most well-known Deltarune theories, to some of the most niche conspiracy theories. Think of it as an iceberg format. Whether these ideas end up being true remains to be seen, but they are all nonetheless entertaining.

7

Darkners Are Objects Brought To Life

And Don’t Exist In The Light World

Starting with a theory so obvious, it’s been implicitly confirmed. Darkners – citizens of the Dark World – are based on their Light World counterparts. For example, Chapter 1’s Card Kingdom was discovered in a classroom used for storage. Storage that had card games, board games, etc. The spade and club-shaped monsters that spawn in Chapter 1 represent this motif.

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The same is said for Chapter 2. The Dark World is accessed through the Light World’s computer lab. Therefore, the monsters are all based on computers and the internet. It’s a little unnerving to realize that Ralsei, your trusted companion, can’t exist outside the Dark World and is likely based on Kris’ red-horned headband. But this is just the tip of the iceberg.

6

Kris Is The Knight

Who May Bring About The Roaring

Another theory that’s basically confirmed at this point is that Kris is the Knight that will bring about the Roaring. The Knight has the power to bring about Dark Fountains, which are portals from the Light World to the Dark World. It’s assumed the Knight’s objective is to bring about the Roaring, an apocalyptic event that will bring ruin to both the Light and Dark worlds.

Since players have seen Kris opening up a dark fountain at the end of chapter 2, this theory seems to be an open and shut case. However, Toby Fox is known for being crafty, as his last Chapter 1 stinger showed Kris wielding a knife, only to reveal they wanted to cut a cake at the start of Chapter 2. So it’s possible this theory is purposefully misleading.

5

Chess Theory

Perhaps Each Chapter Has Battles with Chess Pieces, But Perhaps Not

Eagle-eyed players will have noticed a peculiar chess motif throughout the episodes. In Chapter 1, the gang fights a King, and in Chapter 2, the gang fights a Queen. Not to mention, there’s constant talk of a Knight, who is perhaps the ultimate villain of Deltarune. The theory goes that every boss in Deltarune will represent a chess piece until players face the Knight. However, this theory is a tenuous one.

So far, there’s been no mention of a Bishop, Pawn, or Rook. Not to mention, there are six types of chess pieces and seven Chapters. Players theorize that Chapter 3’s antagonist will be a Rook, since Mike (the hinted Chapter 3 optional boss) is characterized as a ‘cheat’, also known as a ‘rook’, but this theory appears conspiratorial. It is just as likely that people are mixing up the monarchy (kings, queens, and princes) for chess pieces. Still, until Chapter 3 is released, this theory has yet to be disproven.

4

Ralsei is Evil

Ralsei Tea’s Lower Benefits Indicate a Lack of Trust for the Prince

There’s a lot to theorize about the Dark World’s enigmatic prince. A lot of his behavior appears abnormal, almost as if Ralsei is breaking the fiction of the game to address the player. There are many occasions in which he wants Kris to overlook suspicious events, almost as if he’s manipulating them. There’s even an implication that Kris dislikes Ralsei, thanks to a consumable item called ‘Ralsei Tea’.

There are four different types of tea named Susie, Kris, Noelle, and Ralsei. Consuming that item will heal a character’s HP depending on how much they like it. For instance, Noelle has a crush on Susie, so when she drinks Susie Tea, she is healed for 400 HP. When Kris drinks all the corresponding teas, their healing from Ralsei Tea is the lowest, implying a dislike for the prince. Does this mean Ralsei is evil? Probably not, as there are occasionally good reasons for being manipulative or disliked, but it does point to his character being suspicious.

3

December Is In The Bunker

Find Her is a Song That Clues Players into Noelle’s Sister’s Fate

December is Noelle’s missing sister. Though her name isn’t even mentioned in the second Chapter, her presence looms over the whole series. The townsfolk talk about her as if she’s dead, but the theory goes that she’s only missing. Two songs connect to this idea. Noelle’s theme is called ‘Lost Girl’ and during the Spamton Sweepstakes event, a hidden URL leads to a sprite of a guitar and a song titled ‘Find Her’ – December’s theme. Together, players can infer that December is lost, not missing.

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As for her location, it’s highly likely she’s in the Dark World, explaining why she hasn’t been found for years. Throughout the episodes, Susie and Kris return to the bunker, a locked place of great mystique. Perhaps December was trapped in the bunker and fell into the Dark World. And, if Kris suspects this is what happens, it explains why they’re opening dark fountains everywhere; they’re searching for Dess.

2

Noelle Is An Angel

Who Will Bring The Angel’s Heaven

Deltarune has lore about the three heroes (Kirs, Susie, and Ralsei) who will seal away the angel’s heaven. It’s possible Noelle could be the arbiter of the angel’s heaven, for a few reasons. First, Noelle is consistently paired with angelic imagery. She knows healing prayer, she’s dressed in white robes, and characters even refer to her as ‘angel’.

Compounded with Deltarune’s snowgrave route, which sees Noelle being manipulated into becoming a cold-hearted killer, it’s clear that Noelle wields immense power. It’s possible that by the end of the snowgrave route, players can manipulate Noelle into gathering enough strength to unleash the angel’s heaven, whatever that may be.

1

Gaster’s Role

Very, Very Interesting…

W. D. Gaster is like a creepypasta within a video game. His presence has been shattered across time and space, and a singular sprite of him can be found within the game’s files. His skeletal figure and reference to a wacky font (W.D. = Wingdings) match up with the skeleton brothers Sans and Papyrus. Yet, despite all the theories, nobody truly knows how Gaster will play into Deltarune.

All players know is that a snippet of Gaster’s theme plays at the beginning of the game when players construct their ‘vessel’. Furthermore, on his X account, Toby Fox announced that his new project, Deltarune, was going to be ‘very, very interesting‘. These are the words of W. D. Gaster. It’s just enough evidence to assume that Gaster will be involved, someway, somehow.

Released

October 31, 2018

Developer(s)

Toby Fox